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4545970 = 2511213172
BaseRepresentation
bin10001010101110110110010
322112221220021
4101111312302
52130432340
6241234054
753432362
oct21256662
98487807
104545970
112625500
12163292a
13c32230
148649a2
155ebe4a
hex455db2

4545970 has 72 divisors (see below), whose sum is σ = 10289412. Its totient is φ = 1436160.

The previous prime is 4545967. The next prime is 4545977. The reversal of 4545970 is 795454.

It can be written as a sum of positive squares in 6 ways, for example, as 2405601 + 2140369 = 1551^2 + 1463^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (4545977) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 267402 + ... + 267418.

Almost surely, 24545970 is an apocalyptic number.

4545970 is an abundant number, since it is smaller than the sum of its proper divisors (5743442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4545970 is a wasteful number, since it uses less digits than its factorization.

4545970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 4545970 is about 2132.1280449354. The cubic root of 4545970 is about 165.6566425837.

The spelling of 4545970 in words is "four million, five hundred forty-five thousand, nine hundred seventy".

Divisors: 1 2 5 10 11 13 17 22 26 34 55 65 85 110 121 130 143 170 187 221 242 286 289 374 442 578 605 715 935 1105 1210 1430 1445 1573 1870 2057 2210 2431 2890 3146 3179 3757 4114 4862 6358 7514 7865 10285 12155 15730 15895 18785 20570 24310 26741 31790 34969 37570 41327 53482 69938 82654 133705 174845 206635 267410 349690 413270 454597 909194 2272985 4545970